diff --git a/test/utils.js b/test/utils.js
index 034fa11..c35d4d9 100644
--- a/test/utils.js
+++ b/test/utils.js
@@ -48,4 +48,87 @@ describe('Utils', function() {
       Utils.checkRequired(obj, 'name').should.be.false;
     });
   });
+
+  describe('#hashMessage', function() {
+    it('should create a hash', function() {
+      var res = Utils.hashMessage('hola');
+      res.toString('hex').should.equal('4102b8a140ec642feaa1c645345f714bc7132d4fd2f7f6202db8db305a96172f');
+    });
+  });
+
+  describe('#verifyMessage', function() {
+    it('should fail to verify a malformed signature', function() {
+      var res = Utils.verifyMessage('hola', 'badsignature', '02555a2d45e309c00cc8c5090b6ec533c6880ab2d3bc970b3943def989b3373f16');
+      should.exist(res);
+      res.should.equal(false);
+    });
+    it('should fail to verify a null signature', function() {
+      var res = Utils.verifyMessage('hola', null, '02555a2d45e309c00cc8c5090b6ec533c6880ab2d3bc970b3943def989b3373f16');
+      should.exist(res);
+      res.should.equal(false);
+    });
+    it('should fail to verify with wrong pubkey', function() {
+      var res = Utils.verifyMessage('hola', '3045022100d6186930e4cd9984e3168e15535e2297988555838ad10126d6c20d4ac0e74eb502201095a6319ea0a0de1f1e5fb50f7bf10b8069de10e0083e23dbbf8de9b8e02785', '02555a2d45e309c00cc8c5090b6ec533c6880ab2d3bc970b3943def989b3373f16');
+      should.exist(res);
+      res.should.equal(false);
+    });
+    it('should verify', function() {
+      var res = Utils.verifyMessage('hola', '3045022100d6186930e4cd9984e3168e15535e2297988555838ad10126d6c20d4ac0e74eb502201095a6319ea0a0de1f1e5fb50f7bf10b8069de10e0083e23dbbf8de9b8e02785', '03bec86ad4a8a91fe7c11ec06af27246ec55094db3d86098b7d8b2f12afe47627f');
+      should.exist(res);
+      res.should.equal(true);
+    });
+  });
+
+  describe('#formatAmount', function() {
+    it('should successfully format amount', function() {
+      var cases = [{
+        args: [1, 'bit'],
+        expected: '0',
+      }, {
+        args: [1, 'btc'],
+        expected: '0.00',
+      }, {
+        args: [0, 'bit'],
+        expected: '0',
+      }, {
+        args: [12345678, 'bit'],
+        expected: '123,457',
+      }, {
+        args: [12345678, 'btc'],
+        expected: '0.123457',
+      }, {
+        args: [12345611, 'btc'],
+        expected: '0.123456',
+      }, {
+        args: [1234, 'btc'],
+        expected: '0.000012',
+      }, {
+        args: [1299, 'btc'],
+        expected: '0.000013',
+      }, {
+        args: [1234567899999, 'btc'],
+        expected: '12,345.679',
+      }, {
+        args: [12345678, 'bit', {
+          thousandsSeparator: '.'
+        }],
+        expected: '123.457',
+      }, {
+        args: [12345678, 'btc', {
+          decimalSeparator: ','
+        }],
+        expected: '0,123457',
+      }, {
+        args: [1234567899999, 'btc', {
+          thousandsSeparator: ' ',
+          decimalSeparator: ','
+        }],
+        expected: '12 345,679',
+      }, ];
+
+      _.each(cases, function(testCase) {
+        Utils.formatAmount.apply(this, testCase.args).should.equal(testCase.expected);
+      });
+    });
+  });
 });